I think you want this tool that Chris mentioned earlier… http://www.haproxy.org <http://www.haproxy.org/>
> On Jun 9, 2019, at 4:13 PM, Ronald F. Guilmette <r...@tristatelogic.com> > wrote: > > > In message <45mw9x6zlnzj...@spike.porcupine.org>, > Wietse Venema <wie...@porcupine.org> wrote: > >>> and then use something like fetchmail to poll that periodically to pull >>> down all mail for my several domains and then have fetchmail re-inject >>> all of those mail messages into the local Postfix. The plan would be to >>> get all this running and then give up my local static IP here, exchanging >>> it for a dynamic one instead. (This will save me a tiny bit of money on >>> my monthy local ISP bill.) >> >> What about setting up a tunnel between home (dynamic IP) and cloud >> (static IP)? Could be a VPN, or SSH. > > In a word, yea. That exact light just came on over my little noggin. > > If I can figure out how to make that work, I think that will be THE > solution. > > I just need to find some tool... some something... that will *transparently* > proxy all of the inbound port 25 traffic that comes in to the cloud VM > server machine to some other IP address... some other IP address that > will in fact be dynamic and changing, over time. (And yes, I understand > that dynamic DNS is likely to be helpful here.) > > So, what tool should I use to do this transparent TCP proxying? > > I guess that I need to go a googling. > > > Regards, > rfg > >
